[INFO] cloning repository https://github.com/Zij-IT/RustyChip
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Zij-IT/RustyChip" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZij-IT%2FRustyChip", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZij-IT%2FRustyChip'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac12f17c7d0109501eeaea3bc5253b048e6b290f
[INFO] checking Zij-IT/RustyChip against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZij-IT%2FRustyChip" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Zij-IT/RustyChip on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Zij-IT/RustyChip
[INFO] finished tweaking git repo https://github.com/Zij-IT/RustyChip
[INFO] tweaked toml for git repo https://github.com/Zij-IT/RustyChip written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Zij-IT/RustyChip already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5485962b30702afacaedea57fc1a4445e5b91d37c78fa8abccb9cd4a152b1260
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5485962b30702afacaedea57fc1a4445e5b91d37c78fa8abccb9cd4a152b1260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5485962b30702afacaedea57fc1a4445e5b91d37c78fa8abccb9cd4a152b1260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5485962b30702afacaedea57fc1a4445e5b91d37c78fa8abccb9cd4a152b1260", kill_on_drop: false }`
[INFO] [stdout] 5485962b30702afacaedea57fc1a4445e5b91d37c78fa8abccb9cd4a152b1260
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7366c09b1e6d506be7f6fd550665829ab35621de5203b16ab3751effaf47968
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e7366c09b1e6d506be7f6fd550665829ab35621de5203b16ab3751effaf47968", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking chip8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `byte`
[INFO] [stdout]    --> src/chip8/cpu.rs:161:25
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     let byte = bus.read_byte(self.i + nth_idx as u16);
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_byte`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]    --> src/chip8/cpu.rs:162:25
[INFO] [stdout]     |
[INFO] [stdout] 162 |                     let buffer = bus.get_display_mut();
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/chip8/cpu.rs:164:25
[INFO] [stdout]     |
[INFO] [stdout] 164 |                     let x = self.v[x];
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/chip8/cpu.rs:165:25
[INFO] [stdout]     |
[INFO] [stdout] 165 |                     let y = self.v[y];
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `delay_timer_start`
[INFO] [stdout]   --> src/chip8/data_bus.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     delay_timer_start: Instant,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `byte`
[INFO] [stdout]    --> src/chip8/cpu.rs:161:25
[INFO] [stdout]     |
[INFO] [stdout] 161 |                     let byte = bus.read_byte(self.i + nth_idx as u16);
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_byte`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sound_timer`
[INFO] [stdout]   --> src/chip8/data_bus.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     sound_timer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buffer`
[INFO] [stdout]    --> src/chip8/cpu.rs:162:25
[INFO] [stdout]     |
[INFO] [stdout] 162 |                     let buffer = bus.get_display_mut();
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_buffer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sound_timer_start`
[INFO] [stdout]   --> src/chip8/data_bus.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     sound_timer_start: Instant,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/chip8/cpu.rs:164:25
[INFO] [stdout]     |
[INFO] [stdout] 164 |                     let x = self.v[x];
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sound_timer`
[INFO] [stdout]   --> src/chip8/data_bus.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn sound_timer(&mut self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/chip8/cpu.rs:165:25
[INFO] [stdout]     |
[INFO] [stdout] 165 |                     let y = self.v[y];
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Eti660`
[INFO] [stdout]   --> src/chip8.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Eti660,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `delay_timer_start`
[INFO] [stdout]   --> src/chip8/data_bus.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     delay_timer_start: Instant,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sound_timer`
[INFO] [stdout]   --> src/chip8/data_bus.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     sound_timer: u8,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sound_timer_start`
[INFO] [stdout]   --> src/chip8/data_bus.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     sound_timer_start: Instant,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `sound_timer`
[INFO] [stdout]   --> src/chip8/data_bus.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn sound_timer(&mut self) -> u8 {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Eti660`
[INFO] [stdout]   --> src/chip8.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Eti660,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.30s
[INFO] running `Command { std: "docker" "inspect" "e7366c09b1e6d506be7f6fd550665829ab35621de5203b16ab3751effaf47968", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7366c09b1e6d506be7f6fd550665829ab35621de5203b16ab3751effaf47968", kill_on_drop: false }`
[INFO] [stdout] e7366c09b1e6d506be7f6fd550665829ab35621de5203b16ab3751effaf47968